Saint John Weather in December
In Saint John, December brings low daytime temperatures around 3°C (37°F), with nights cooling to -5°C (23°F). It is the wettest month of the year, so expect more snow/rainfall than usual.
Rainfall in Saint John in December
Given that this is the rainiest month, it's wise to carry an umbrella to stay dry during unexpected showers. The climate data from previous years indicates about 15 days of snow/rain, averaging 140 mm (5.5 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Saint John in December
Expect highs of 3°C (37°F) in Saint John in December, with nights dropping to around -5°C (23°F). December is part of winter. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. With overnight lows of -5°C (23°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. Prepare for low temperatures this month by wearing plenty of layers. It's essential to stay warm in such cold conditions.December in Saint John can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Saint John's climate page.
Saint John Temperature in December
Min Temperature
-5°C (23°F)
Max Temperature
3°C (37°F)
Chance of Rain
49%
Precipitation
140 mm (5.5 in)
Rainy days
15 days
Best Places in Canada in December
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in December →
perfect weather
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unpleasant
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What to Wear in Saint John in December
Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes.What To Do in Saint John in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Canada, check out our Saint John's climate page.
See the full Saint John climate overview or explore weather in Canada.
